HP 6120XG HP ProCurve Series 6120 Blade Switches Access Security Guide - Page 90
RADIUS-Based Authentication, Wireless Clients, How Web and MAC Authentication Operate
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Web and MAC Authentication How Web and MAC Authentication Operate clients by using an "unauthorized" VLAN for each session. The unauthorized VLAN ID assignment can be the same for all ports, or different, depending on the services and access you plan to allow for unauthenticated clients. You configure access to an optional, unauthorized VLAN when you configure Web and MAC authentication on a port. RADIUS-Based Authentication In Web and MAC authentication, you use a RADIUS server to temporarily assign a port to a static VLAN to support an authenticated client. When a RADIUS server authenticates a client, the switch-port membership during the client's connection is determined according to the following hierarchy: 1. A RADIUS-assigned VLAN 2. An authorized VLAN specified in the Web- or MAC-Auth configuration for the subject port. 3. A static, port-based, untagged VLAN to which the port is configured. A RADIUS-assigned VLAN has priority over switch-port membership in any VLAN. Wireless Clients You can allow wireless clients to move between switch ports under Web/MAC Authentication control. Clients may move from one Web-authorized port to another or from one MAC-authorized port to another. This capability allows wireless clients to move from one access point to another without having to reauthenticate. How Web and MAC Authentication Operate Before gaining access to the network, a client first presents authentication credentials to the switch. The switch then verifies the credentials with a RADIUS authentication server. Successfully authenticated clients receive access to the network, as defined by the System Administrator. Clients who fail to authenticate successfully receive no network access or limited network access as defined by the System Administrator. 3-6
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